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Implement Device Cache to replace EFCoreSecondLevelCacheInterceptor

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The EFCoreSecondLevelCacheInterceptor will place a huge lock even for reading. Implement a ConcurrentDictionary cache to replace it.

Signed-off-by: gnattu <gnattuoc@me.com>
This commit is contained in:
gnattu
2024-06-01 08:01:54 +08:00
parent f7a90b6383
commit 5a62c7a146
8 changed files with 133 additions and 122 deletions
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20
Jellyfin.Server.Implementations/Extensions/ServiceCollectionExtensions.cs
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@@ -1,6 +1,5 @@
using System;
using System.IO;
using EFCoreSecondLevelCacheInterceptor;
using MediaBrowser.Common.Configuration;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
@@ -16,28 +15,13 @@ public static class ServiceCollectionExtensions
/// Adds the <see cref="IDbContextFactory{TContext}"/> interface to the service collection with second level caching enabled.
/// </summary>
/// <param name="serviceCollection">An instance of the <see cref="IServiceCollection"/> interface.</param>
/// <param name="disableSecondLevelCache">Whether second level cache disabled..</param>
/// <returns>The updated service collection.</returns>
public static IServiceCollection AddJellyfinDbContext(this IServiceCollection serviceCollection, bool disableSecondLevelCache)
public static IServiceCollection AddJellyfinDbContext(this IServiceCollection serviceCollection)
{
if (!disableSecondLevelCache)
{
serviceCollection.AddEFSecondLevelCache(options =>
options.UseMemoryCacheProvider()
.CacheAllQueries(CacheExpirationMode.Sliding, TimeSpan.FromMinutes(10))
.UseCacheKeyPrefix("EF_")
// Don't cache null values. Remove this optional setting if it's not necessary.
.SkipCachingResults(result => result.Value is null or EFTableRows { RowsCount: 0 }));
}
serviceCollection.AddPooledDbContextFactory<JellyfinDbContext>((serviceProvider, opt) =>
{
var applicationPaths = serviceProvider.GetRequiredService<IApplicationPaths>();
var dbOpt = opt.UseSqlite($"Filename={Path.Combine(applicationPaths.DataPath, "jellyfin.db")}");
if (!disableSecondLevelCache)
{
dbOpt.AddInterceptors(serviceProvider.GetRequiredService<SecondLevelCacheInterceptor>());
}
opt.UseSqlite($"Filename={Path.Combine(applicationPaths.DataPath, "jellyfin.db")}");
});
return serviceCollection;